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<div class="title">frontend/cmd_echo.h</div>  </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> *  cmd_echo.h</span>
<a name="l00003"></a>00003 <span class="comment"> *  edrift</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> *  Created by Yudi Rosandi on 3/16/12.</span>
<a name="l00006"></a>00006 <span class="comment"> *  Copyright 2012 TU-Kaiserslautern. All rights reserved.</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> */</span>
<a name="l00009"></a>00009 
<a name="l00010"></a>00010 <span class="comment">// syntax:</span>
<a name="l00011"></a>00011 <span class="comment">// echo &quot;string to say&quot;</span>
<a name="l00012"></a>00012 <span class="comment">// echo every=loop-counter step=domain elapsed=domain avg=domain.array avg=buffer</span>
<a name="l00013"></a>00013 
<a name="l00014"></a>00014 <span class="keywordtype">void</span> cmd_echo(istringstream&amp; ss) {
<a name="l00015"></a>00015   
<a name="l00016"></a>00016   <span class="comment">// FIXME! writing strings...</span>
<a name="l00017"></a>00017   
<a name="l00018"></a>00018   <span class="keywordtype">string</span> tok,msg;
<a name="l00019"></a>00019   ofstream ofl;
<a name="l00020"></a>00020   <span class="keywordtype">bool</span> usefile=<span class="keyword">false</span>;
<a name="l00021"></a>00021   
<a name="l00022"></a>00022   <span class="keywordtype">string</span> sff(ss.str());
<a name="l00023"></a>00023   <span class="keywordtype">int</span> red=sff.find(<span class="charliteral">&#39;&gt;&#39;</span>);
<a name="l00024"></a>00024   
<a name="l00025"></a>00025   <span class="keywordflow">if</span>(red!=sff.npos) {
<a name="l00026"></a>00026     <span class="keywordflow">if</span>(sff.find(<span class="stringliteral">&quot;&gt;&gt;&quot;</span>)!=sff.npos) { <span class="comment">// append</span>
<a name="l00027"></a>00027       sff.erase(0,red+2);
<a name="l00028"></a>00028       ofl.open(remove_char(sff,<span class="charliteral">&#39; &#39;</span>).c_str(),std::ios_base::app);
<a name="l00029"></a>00029       usefile=<span class="keyword">true</span>;
<a name="l00030"></a>00030     } <span class="keywordflow">else</span> { <span class="comment">// truncate</span>
<a name="l00031"></a>00031       sff.erase(0,red+1);
<a name="l00032"></a>00032       ofl.open(remove_char(sff,<span class="charliteral">&#39; &#39;</span>).c_str());
<a name="l00033"></a>00033       usefile=<span class="keyword">true</span>;
<a name="l00034"></a>00034     }
<a name="l00035"></a>00035   }
<a name="l00036"></a>00036   
<a name="l00037"></a>00037   <span class="keywordflow">while</span>(ss&gt;&gt;tok) {
<a name="l00038"></a>00038     <span class="keywordflow">if</span>(tok[0]==<span class="charliteral">&#39;&gt;&#39;</span>) <span class="keywordflow">break</span>;
<a name="l00039"></a>00039     <span class="keywordtype">int</span> at=tok.find(<span class="charliteral">&#39;(&#39;</span>);
<a name="l00040"></a>00040     <span class="keywordtype">int</span> cfd=current;
<a name="l00041"></a>00041     
<a name="l00042"></a>00042     <span class="keywordflow">if</span>(at!=tok.npos) {
<a name="l00043"></a>00043       <span class="keywordtype">string</span> op=tok.substr(0,at);
<a name="l00044"></a>00044       tok.erase(0,at+1);
<a name="l00045"></a>00045       tok=remove_char(tok,<span class="stringliteral">&quot;()&quot;</span>);
<a name="l00046"></a>00046                   
<a name="l00047"></a>00047       <span class="keywordflow">if</span>(op==<span class="stringliteral">&quot;step&quot;</span>) {
<a name="l00048"></a>00048         <span class="keywordtype">int</span> usefd=cfd;
<a name="l00049"></a>00049         <span class="keywordflow">if</span>(tok!=<span class="stringliteral">&quot;&quot;</span>) {
<a name="l00050"></a>00050           cfd=search_fd(tok);
<a name="l00051"></a>00051           <span class="keywordflow">if</span>(cfd&lt;0) <span class="keywordflow">throw</span> (<span class="keywordtype">string</span>(<span class="stringliteral">&quot;echo step() domain not found: &quot;</span>)+tok).c_str();
<a name="l00052"></a>00052         }
<a name="l00053"></a>00053         tok.assign(as_string(fd[cfd]-&gt;solver-&gt;GetStep()));
<a name="l00054"></a>00054       }
<a name="l00055"></a>00055       
<a name="l00056"></a>00056       <span class="keywordflow">else</span> <span class="keywordflow">if</span>(op==<span class="stringliteral">&quot;sum&quot;</span>) {
<a name="l00057"></a>00057         Buffer b;
<a name="l00058"></a>00058         get_buffer(b,tok);
<a name="l00059"></a>00059         <span class="keywordflow">if</span>(b.empty) <span class="keywordflow">throw</span>(<span class="keywordtype">string</span>(<span class="stringliteral">&quot;echo sum() buffer not found: &quot;</span>)+tok).c_str();
<a name="l00060"></a>00060         tok.assign(as_string(fd[cfd]-&gt;solver-&gt;GetSum(b.ptr)));
<a name="l00061"></a>00061       }
<a name="l00062"></a>00062 
<a name="l00063"></a>00063       <span class="keywordflow">else</span> <span class="keywordflow">if</span>(op==<span class="stringliteral">&quot;avg&quot;</span>) {
<a name="l00064"></a>00064         Buffer b;
<a name="l00065"></a>00065         get_buffer(b,tok);
<a name="l00066"></a>00066         <span class="keywordflow">if</span>(b.empty) <span class="keywordflow">throw</span>(<span class="keywordtype">string</span>(<span class="stringliteral">&quot;echo avg() buffer not found: &quot;</span>)+tok).c_str();
<a name="l00067"></a>00067         tok.assign(as_string(fd[cfd]-&gt;solver-&gt;GetAverage(b.ptr)));
<a name="l00068"></a>00068       }
<a name="l00069"></a>00069       
<a name="l00070"></a>00070       <span class="keywordflow">else</span> <span class="keywordflow">if</span>(op==<span class="stringliteral">&quot;time&quot;</span>||op==<span class="stringliteral">&quot;elapsed&quot;</span>) {
<a name="l00071"></a>00071         <span class="keywordflow">if</span>(tok!=<span class="stringliteral">&quot;&quot;</span>) {
<a name="l00072"></a>00072           cfd=search_fd(tok);
<a name="l00073"></a>00073           <span class="keywordflow">if</span>(cfd&lt;0) <span class="keywordflow">throw</span> (<span class="keywordtype">string</span>(<span class="stringliteral">&quot;step time() domain not found: &quot;</span>)+tok).c_str();
<a name="l00074"></a>00074         }
<a name="l00075"></a>00075         
<a name="l00076"></a>00076         tok.assign(as_string(fd[cfd]-&gt;solver-&gt;GetStep()*fd[cfd]-&gt;solver-&gt;GetTimestep()));
<a name="l00077"></a>00077         
<a name="l00078"></a>00078       }
<a name="l00079"></a>00079       
<a name="l00080"></a>00080       <span class="keywordflow">else</span> <span class="keywordflow">throw</span> <span class="stringliteral">&quot;invalid token@echo&quot;</span>;
<a name="l00081"></a>00081       
<a name="l00082"></a>00082     }
<a name="l00083"></a>00083     
<a name="l00084"></a>00084     msg.append(tok+<span class="stringliteral">&quot; &quot;</span>);
<a name="l00085"></a>00085     
<a name="l00086"></a>00086   }
<a name="l00087"></a>00087   
<a name="l00088"></a>00088   <span class="keywordflow">if</span>(me==0) {
<a name="l00089"></a>00089     <span class="keywordflow">if</span>(usefile) {
<a name="l00090"></a>00090       ofl&lt;&lt;msg&lt;&lt;std::endl;
<a name="l00091"></a>00091       ofl.close();
<a name="l00092"></a>00092     } <span class="keywordflow">else</span>
<a name="l00093"></a>00093       std::cout&lt;&lt;msg&lt;&lt;std::endl;
<a name="l00094"></a>00094   }
<a name="l00095"></a>00095   
<a name="l00096"></a>00096 }
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